Color

#b0b4bf

#b0b4bf
hex#b0b4bf
rgbrgb(176, 180, 191)
hslhsl(224, 10%, 72%)
oklchoklch(0.77 0.016 269.9)
Closest name: Nebulous December (#b3b2bf)Relative luminance 0.4563

Colors that go with #b0b4bf

Charcoal, Champagne and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bfbbb0

#b0bbbf · #b4b0bf

#bfb0b4 · #b4bfb0

Split-complementary

Open in tool →

#bfb4b0 · #bbbfb0

#bfb0bb · #bfbbb0 · #b0bfb4

Contrast

#b0b4bf as textRatioAAAA largeAAAFix
Aaon white
2.07:1failfailfail
  • AA: use #6e7587 as the text (4.61:1)
  • AAA: use #535865 as the text (7.11:1)
  • AA: or shift the background to #454545 (4.62:1)
  • AAA: or shift the background to #292929 (7.02:1)
Aaon black
10.13:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b0b4bf as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#b0b4bf reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b0b4bf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b0b4bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b0b4bf-9ca2c4-df724e-221f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md